, bigeyes, is a family of 18 species of marine fish. "Catalufa" is the common name for some members of the family alternative Priacanthidae. The etymology of the scientific name ("prioo-", bite + "akantha", thorn) refers to a very rough, spiny scales families.
The common name of "bigeye" refers to an unusually large eye member of a species', suitable for the lifestyle and nocturnal carnivores them. Priacanthidae usually bright red, but some have a pattern in silver, dark, brown or black. Most species reach a maximum total length of about 30 cm (12 in), although in some species more than 50 cm long (20 in) is known.
Some members of this family is a native of tropical and subtropical regions of the Indian and Pacific Oceans, but there are also four species (Cookeolus japonicus, Heteropriacanthus cruentatus, Priacanthus arenatus and Pristigenys alta) in the Atlantic. They tend to stay near the rocks or coral rock, although little is known to inhabit the open waters.
Many species are found in relatively deep waters, below the depth reached in normal scuba diving. Some species of fish as a food fish. Priacanthidae identified early fossils date to the middle Eocene epoch lower Tertiary period, or about 40 to 50 million years ago.
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